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[HIVE-776] make div as infix operator - Hive - [issue]    Author: Ning Zhang , 2011-12-17, 00:05
[HIVE-875] Hive server does not work with standalone mode - Hive - [issue]
...The TestHiveServer unittest failed with standalone=true....    Author: Ning Zhang , 2011-12-17, 00:05
[HIVE-870] Implement LEFT SEMI JOIN - Hive - [issue]
...Semi-join is an efficient way to unnest an IN/EXISTS subquery. For example,select * from Awhere IN    (select id    from B    where> '2009-10-01'...    Author: Ning Zhang , 2011-12-17, 00:05
[HIVE-912] table name in CTAS should be case-insensitive - Hive - [issue]
...Table created in CTAS should be case sensitive. Currently the moveTask at the end of CTAS doesn't convert table name to lower case. This makes subsequent accessing to the table impossible si...    Author: Ning Zhang , 2011-12-17, 00:05
[HIVE-949] Object deepCopy in GroupBy Operator - Hive - [issue]
...In GroupByOperator, objects are first deep copied and then check whether or not the object is in the hash table (in hash-mode aggregation). In fact, object deep copy could be very expensive ...    Author: Ning Zhang , 2011-12-17, 00:05
[HIVE-881] CTAS does not work on with fields terminator - Hive - [issue]
...This query got wrong results: create table tmp row format fields terminated by ',' stored as textfile as select * from nzhang_tt;The result is the same as no "fields terminated by"....    Author: Ning Zhang , 2011-12-17, 00:05
[HIVE-1307] More generic and efficient merge method - Hive - [issue]
...Currently if hive.merge.mapfiles/mapredfiles=true, a new mapreduce job is create to read the input files and output to one reducer for merging. This MR job is created at compile time and one...    Author: Ning Zhang , 2011-12-17, 00:04
[HIVE-1047] Merge tasks in GenMRUnion1 - Hive - [issue]
...In the following query:from (select * from src  union all select * from src) sinsert overwrite table src_multi1 select * where key < 10insert overwrite table src_multi2 select * wher...    Author: Ning Zhang , 2011-12-17, 00:04
[HIVE-1341] Filter Operator Column Pruning should preserve the column order - Hive - [issue]
...The column pruning process for the filter operator should preserve the order of input columns, otherwise it could result in miss match in columns in the down stream operators....    Author: Ning Zhang , 2011-12-17, 00:04
[HIVE-1492] FileSinkOperator should remove duplicated files from the same task based on file sizes - Hive - [issue]
...FileSinkOperator.jobClose() calls Utilities.removeTempOrDuplicateFiles() to retain only one file for each task. A task could produce multiple files due to failed attempts or speculative runs...    Author: Ning Zhang , 2011-12-17, 00:03